(1) Per RCW 66.44.270, licensees or employees may not supply liquor to any person under twenty-one years of age, either for his/her own use or for the use of any other person.

(2) Per RCW 66.44.310, licensees or employees may not allow persons under twenty-one years of age to remain in any premises or area of a premises classified as off-limits to persons under twenty-one. (See RCW 66.44.310 (1)(b) regarding nonprofit, private club licensees.)

(3) Per RCW 66.20.180, at the request of any law enforcement officer, a holder of a card of identification must present his/her card of identification if the person is on a portion of a premises that is restricted to persons over twenty-one years of age, or if the person is purchasing liquor, attempting to purchase liquor, consuming liquor, or in the possession of liquor. If the person fails or refuses to present a card of identification it may be considered a violation of Title 66 RCW and:

(a) The person may not remain on the licensed premises after being asked to leave by a law enforcement officer; and

(b) The person may be detained by a law enforcement officer for a reasonable period of time and in such a reasonable manner as is necessary to determine the person's true identity and date of birth.